Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BP

Bart Preneel — 6 Patents

Sony: 3 patents #10,793 of 25,231Top 45%
IBIntrinsic Id B.V.: 1 patents #14 of 27Top 55%
KRKatholieke Universiteit Leuven, Ku Leuven R&D: 1 patents #173 of 512Top 35%
Nortel Networks Limited: 1 patents #2,518 of 5,294Top 50%
Leuven, BE: #125 of 851 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Bart Preneel has been granted 6 US patents while listed as an inventor at Sony. The first was granted in 1997 and the most recent in July 2016. Bart Preneel ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Bart Preneel in Leuven, BE.

Patents per Year

Patents granted per year, 1997 to 2016Bar chart with a peak of 2 patents in 2012.peak 21997: 1 patents19972012: 2 patents20122014: 1 patents20142016: 2 patents2016

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9396357 Physically unclonable function (PUF) with improved error correction Vincent Van Der Leest, Erik Van Der Sluis 2016-07-19
9240885 Cryptographic processing apparatus, cryptographic processing method, and computer program therefor Taizo Shirai 2016-01-19 $868,000
8767956 Cryptographic processing apparatus, cryptographic processing method, and computer program therefor Taizo Shirai 2014-07-01 $142,000
8275127 Cryptographic processing apparatus, cryptographic processing method, and computer program therefor Taizo Shirai 2012-09-25 $149,000
8267306 Selection systems Antoon Bosselaers, Daniel De Cock, Frederik Vercauteren 2012-09-18
5664016 Method of building fast MACS from hash functions Paul C. Van Oorschot 1997-09-02 $49,954,000